Employers' Toughest Interview Questions: Why They're Asked, How To Answer

There are few situations more stressful than being stumped by a question during a job interview. But with stiff competition in the labor market, employers -- especially large ones -- are asking all kinds of seemingly odd, irrelevant questions.

Which kinds of questions are being asked? How about:

  • "What is the profit potential of offering wireless Internet service on planes?" asked of a consultant candidate interviewed at Oliver Wyman Group; or

  • "How many hotels are there in the U.S.?" put to a product manager candidate at Google Inc.